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Segment Information (Tables)
9 Months Ended
Sep. 30, 2019
Segment Information [Abstract]  
Schedule of net revenues from manufacture of batteries by products
   Three months ended
September 30,
   Nine months ended
September 30,
 
   2018   2019   2018   2019 
High power lithium batteries used in:                
Electric vehicles  $2,280,763   $2,885,305   $4,099,646   $4,425,875 
Light electric vehicles   44,195    -    64,315    - 
Uninterruptable supplies   3,264,413    5,204,499    10,788,509    13,106,540 
Total  $5,589,371   $8,089,804   $14,952,470   $17,532,415 
Schedule of net revenues from manufacture of batteries by geographical areas
   Three months ended
September 30,
   Nine months ended
September 30,
 
   2018   2019   2018   2019 
Mainland China  $3,799,136   $8,016,931   $12,299,525   $17,034,593 
USA   1,765,193    (3,638)   1,858,225    219,827 
Europe   (2,765)   -    101,466    - 
PRC Taiwan   (2,512)   (7)   96,513    445 
Israel   30,988    (1,980)   537,757    119,698 
Others   (669)   78,498    58,984    157,852 
Total  $5,589,371   $8,089,804   $14,952,470   $17,532,415